colourful vs multi-colour

colourful and multi-colour both are adjectives.

Word	Noun	Adjective	Verb	Adverb
colourful	No	Yes	No	No
multi-colour	No	Yes	No	No

colourful (adjective)	multi-colour (adjective)
having much or varied color	having sections or patches colored differently and usually brightly
striking in variety and interest
having color or a certain color; sometimes used in combination